Finding the Fourth Proportional to 292,562.55, 438,905.12 and 166,261.41
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Solution
The fourth proportional to 292,562.55, 438,905.12 and 166,261.41 is: 249,426.95
Step by Step Solution
- Step 1: Write the proportion equation
292,562.55 : 438,905.12 = 166,261.41 : x - Step 2: Convert to fraction form
292,562.55/438,905.12 = 166,261.41/x - Step 3: Cross multiply
292,562.55x = 438,905.12 × 166,261.41 - Step 4: Simplify right side
292,562.55x = 72,972,983,276.11 - Step 5: Solve for x
x = 72,972,983,276.11/292,562.55 - Step 6: Final answer
x = 249,426.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.